search query: @author Ries, Al / total: 2
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title | year | author | ||
2. |
Marketing Journal
1990 : VOL. 23:4, p. 386-389 |
1990 | Ries, Al Trout, Jack |
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title | year | author | ||
2. |
Marketing Journal
1990 : VOL. 23:4, p. 386-389 |
1990 | Ries, Al Trout, Jack |